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| glutKeyboardFunc(3GLUT) | GLUT | glutKeyboardFunc(3GLUT) |
NAME
glutKeyboardFunc - sets the keyboard callback for the current window.SYNTAX
void glutKeyboardFunc(void (*func)(unsigned char key,
int x, int y));
ARGUMENTS
- func
- The new keyboard callback function.
DESCRIPTION
glutKeyboardFunc sets the keyboard callback for the current window. When a user types into the window, each key press generating an ASCII character will generate a keyboard callback. The key callback parameter is the generated ASCII character. The state of modifier keys such as Shift cannot be determined directly; their only effect will be on the returned ASCII data. The x and y callback parameters indicate the mouse location in window relative coordinates when the key was pressed. When a new window is created, no keyboard callback is initially registered, and ASCII key strokes in the window are ignored. Passing NULL to glutKeyboardFunc disables the generation of keyboard callbacks.During a keyboard callback, glutGetModifiers may be called to determine the state of modifier keys when the keystroke generating the callback occurred.
Use glutSpecialFunc for a means to detect non-ASCII key strokes.
SEE ALSO
glutKeyboardUpFunc, glutSpecialFunc, glutCreateWindow, glutMouseFunc, glutSpaceballButtonFunc, glutButtonBoxFunc, glutTabletButtonFunc, glutGetModifiersAUTHOR
Mark J. Kilgard (mjk@nvidia.com)| 3.7 | GLUT |
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